<template>
  <div class="singer" ref="singer">
    <list-view :data="singers" @select="selectSinger" ref="list"></list-view>
    <router-view></router-view>
  </div>
</template>

<script>
import { getSingerList } from "../../api/singer";
import { ERR_OK } from "../../api/config";
import ListView from "../../base/listview/listview";
import { mapMutations } from "vuex";
import { playlistMixin } from "../../common/js/mixin";
const HOT_NAME = "热门";
const HOT_SINGER_LEN = 10;
export default {
  mixins: [playlistMixin],
  components: {
    ListView
  },
  data() {
    return {
      singers: []
    };
  },
  created() {
    this._getSingerList();
  },
  methods: {
    handelPlayList(playlist) {
      const bottom = playlist.length > 0 ? "60px" : "";
      this.$refs.singer.style.bottom = bottom;
      this.$refs.list.refresh();
    },
    selectSinger(singer) {
      this.$router.push({
        path: `/singer/${singer.id}`
      });
      this.setSinger(singer);
    },
    _getSingerList() {
      getSingerList().then(res => {
        if (res.code === ERR_OK) {
          this.singers = this._nomalizeSinger(res.data.list);
          // console.log((this.singers));
        }
      });
    },
    _nomalizeSinger(list) {
      let map = {
        hot: {
          title: HOT_NAME,
          items: []
        }
      };
      list.forEach((item, index) => {
        if (index < HOT_SINGER_LEN) {
          map.hot.items.push({
            name: item.Fsinger_name,
            id: item.Fsinger_mid,
            avatar: `https://y.gtimg.cn/music/photo_new/T001R150x150M000${item.Fsinger_mid}.jpg?max_age=2592000`
          });
        }
        const key = item.Findex;
        if (!map[key]) {
          map[key] = {
            title: key,
            items: []
          };
        }
        map[key].items.push({
          name: item.Fsinger_name,
          id: item.Fsinger_mid,
          avatar: `https://y.gtimg.cn/music/photo_new/T001R150x150M000${item.Fsinger_mid}.jpg?max_age=2592000`
        });
      });
      //console.log(map)
      let hot = [];
      let ret = [];
      for (let key in map) {
        let val = map[key];
        if (val.title.match(/[a-zA-Z]/)) {
          ret.push(val);
        } else if (val.title === HOT_NAME) {
          hot.push(val);
        }
      }
      ret.sort((a, b) => {
        return a.title.charCodeAt(0) - b.title.charCodeAt(0);
      });
      return hot.concat(ret);
    },
    ...mapMutations({
      setSinger: "SET_SINGER"
    })
  }
};
</script>
<style lang="stylus" scoped>
.singer
  position: fixed
  top: 88px
  bottom: 0
  width: 100%
</style>
